Barbell lock collar



FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a front side view of FIG. 1;

FIG. 3 is a rear side view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a top side view of FIG. 1; and,

FIG. 7 is a bottom side view of FIG. 1.

In the figures, features illustrated in broken lines are not part of the claimed design. 

CLAIM The ornamental design for a barbell lock collar, as shown and described. 